Species: Northern Spinach (Eulithis populata)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 1 | 8 | 4 | 29 |
| 2023 | 1 | 10 | 6 | 44 |
| 2022 | 1 | 8 | 5 | 24 |
| 2021 | 1 | 7 | 7 | 8 |
| 2020 | 1 | 8 | 5 | 22 |
| 2019 | 1 | 10 | 5 | 55 |
| 2018 | 1 | 16 | 6 | 70 |
| 2017 | 1 | 19 | 13 | 49 |
| 2016 | 1 | 28 | 18 | 94 |
| 2015 | 1 | 43 | 21 | 184 |
| 2014 | 1 | 35 | 14 | 189 |
| 2013 | 1 | 42 | 21 | 140 |
| 2012 | 1 | 50 | 23 | 128 |
| 2011 | 1 | 54 | 20 | 165 |
| 2010 | 1 | 61 | 26 | 197 |
| 2009 | 1 | 30 | 15 | 147 |
| 2008 | 1 | 26 | 11 | 113 |
| 2007 | 1 | 11 | 6 | 19 |
| 2000 | 1 | 2 | 1 | 2 |
| 1995 | 1 | 2 | 1 | 3 |
| 1993 | 1 | 1 | 1 | 1 |
| 1992 | 1 | 3 | 1 | 4 |
| 1991 | 1 | 1 | 1 | 1 |
| Totalt alle år | 1 | 240 | 50 | 1688 |